God created the human body with infinite precision, there is no incomplete part and there is no unnecessary part, but the body is an integrated system that work together from the most accurate parts to the most complex devices in a consistent manner, which protects the body, and protects the dangers, and gives the ability to do With duties and responsibilities on a regular basis; the body consists of a set of devices that all its cells work together such as the nervous system, the immune system, the digestive system, the respiratory system, and the endocrine system.
What interests us in this article is the endocrine system, what is this device and what are its functions in the body.
Endocrine system or endocrine system
Is a device consisting of small parts (glands) secretion of chemicals called hormones, which helps to the rest of the body to perform its work successfully, and was named by this name because it secretes hormones in the blood directly without special channels; These hormones stimulate the activity of cell interactions competent Tags, but does not cause any extra activity.
The amount of hormones distributed according to positions, seasons and other conditions, whether internal or external, and then give feedback on the work of these glands to regulate and determine the amounts of hormones secreted.
Functions of endocrine system
The system consists of a group of glands scattered in a different reality of the body. The endocrine hormones regulate the biological processes within the body such as the organization of growth, metabolism and sexual processes, each according to its specialty, and these glands:
- Thyroid gland: located in the brain in the lower region to the middle, and stimulates secretions of the pituitary gland, and also controls saturation and metabolism, and regulate body temperature.
- Pituitary gland: located in the human brain at the base, and regulates the work of the rest of the glands so the mother is considered, and any defect that leads to a defect in the secretions of all glands.
- Thyroid: Located in the neck, it quickly responds to any external conditions and regulates metabolism
- Thyroid gland: located in the neck behind the gland, and regulates the proportion of calcium and phosphorus in the blood.
- The adrenal gland regulates the metabolism and control of the body’s immune system, determines how the body responds to external emergency conditions, and maintains water balance in cells and water balance.
- The pineal gland: located in the brain, regulates body growth and sexual maturity through the secretion of melatonin.